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When a female of the heavy-chested persuasion looses control of her chest support causing boob-flesh to smother everyone in a five mile radius, cause blindness, as well as spontaneous boners.
Can be used in conjunction with the term tit-ripple, which usually precedes a titalanche through the snapping of a bra strap.
"For gods sake don't cause a titalanche, it'll be like a rubber raft going off in the back seat of the car!!!"

by Jeff and Kerri April 24, 2007
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Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
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by ecogoth December 30, 2020
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